Table 1.
Sample Characteristics at Study Entry for Recent-Onset Schizophrenia Patients
| Sample 1 at Baseline (n=102) | Sample 2 at Baseline (n=47) | Difference | Samples 1 and 2 Combined (n=149) | |
|---|---|---|---|---|
|
| ||||
| Mean Age (SD) | 23.4 (4.4) | 25.0 (5.3) | F(1,148)=3.92 p=.05 | 23.7 (4.45) |
|
| ||||
| Mean Education (SD) | 12.4 (2.1) | 13.5 (2.1) | F(1,147)=8.2, p<.01 | 12.91 (2.2) |
|
| ||||
| Gender | 84 (82%) | 33 (70%) | χ2(1)=2.7, p=.10 | 117 (78%) |
|
| ||||
| Marital Status | χ2(3)=5.81, p=.181 | |||
| Single | 93 (91%) | 41 (87%) | 134 (90%) | |
| Married | 4 (4%) | 4 (8%) | 8 (5%) | |
| Divorced | 1 (1) | 2 (4%) | 3 (2%) | |
| Separated | 4 (4%) | 0 | 4 (3%) | |
|
| ||||
| Race | ||||
| Caucasian | 95 (93%) | 23 (50%) | χ2(3)=53.8, p<.01 | 118 (79%) |
| Asian | 3 (3%) | 5 (11%) | 8 (5%) | |
| Native American/Pacific Islander | 0 | 0 | 0 | |
| African American | 0 | 13 (28%) | 13 (9%) | |
| Other | 4 (4%) | 6 (13%) | 10 (3%) | |
|
| ||||
| Diagnosis | ||||
| Schizophrenia | 61 (59%) | 35 (74%) | χ2(3)=11.2, p<.01 | 95 (64%) |
| Schizoaffective | 8 (8%) | 6 (13% | 14 (10%) | |
| Schizophreniform | 33 (33%) | 5 (11%) | 38 (26%) | |
| Other Psychotic Disorder | 1 (2%) | 1 (1%) | ||
|
| ||||
| Number of months (mean, SD) since psychosis onset, including prodrome, at study entry | 6.8 (7.1) | 8.0 (6.8) | F(1,143)=1.0, p=.32 | 9.08 (8.63) |
|
| ||||
| Chlorpromazine equivalent dosage, mg (mean, SD) | 137.4 (110.1) | 275.6 (126.9) | F(1,94)=23.4, p<.01 | 166.22 (126.38) |